Giant Cosmic Lens Reveals Secrets of Distant Galaxy

Artist's conception of the disk of star-forming
gas around the center of the galaxy hosting the
quasar PSS J2322+1944. The disk is about
13,000 light-years in diameter. The luminous
quasar, powered by the infall of matter into a
supermassive black hole, is at the center.(Click on Image for Larger Version)
Credit: Geraint Lewis, University of Sydney,
NRAO/AUI/NSF